Finding the Fourth Proportional to 9,923.52, 13,694.61 and 5,447.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,923.52 : 13,694.61 = 5,447.69 : x
2. Step 2: Convert to fraction form
   9,923.52/13,694.61 = 5,447.69/x
3. Step 3: Cross multiply
   9,923.52x = 13,694.61 × 5,447.69
4. Step 4: Simplify right side
   9,923.52x = 74,603,921.48
5. Step 5: Solve for x
   x = 74,603,921.48/9,923.52
6. Step 6: Final answer
   x = 7,517.89